HELP FAST DECENT POINTS FOR AN EASY QUESTION! Find the surface area for the following prism 9 in 12 in 3 in.

207 in^2

Step-by-step explanation:

length= 9 in

breadth= 12 in

height= 3

sa=(lb +bh +lh )+bh

     {(9 x 12) +(12 x 3) +(9 x 3)} +(12 x 3)

    {108 +36 +27}+ 36

   sa=207in^2

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

1/800 is the right answer